PIC16C71X
FIGURE 3-1:
Device
PIC16C710
PIC16C71
PIC16C711
PIC16C715
PIC16C71X BLOCK DIAGRAM
Program Memory Data Memory (RAM)
512 x 14
1K x 14
1K x 14
2K x 14
36 x 8
36 x 8
68 x 8
128 x 8
13
Program Counter
EPROM
Program
Memory
Program
Bus
8 Level Stack
(13-bit)
Data Bus
8
PORTA
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/V
REF
RA4/T0CKI
PORTB
RAM
File
Registers
RAM Addr
(1)
9
14
Instruction reg
Direct Addr
7
Addr MUX
8
Indirect
Addr
RB0/INT
RB7:RB1
FSR reg
STATUS reg
8
3
Power-up
Timer
Instruction
Decode &
Control
Timing
Generation
OSC1/CLKIN
OSC2/CLKOUT
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
(2)
Timer0
8
W reg
ALU
MUX
MCLR
V
DD
, V
SS
A/D
Note 1: Higher order bits are from the STATUS register.
2: Brown-out Reset is not available on the PIC16C71.
DS30272A-page 8
©
1997 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
